55061010511061 has 4 divisors (see below), whose sum is σ = 55061162777292. Its totient is φ = 55060858244832.

The previous prime is 55061010511057. The next prime is 55061010511099. The reversal of 55061010511061 is 16011501016055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2389791351025 + 52671219160036 = 1545895^2 + 7257494^2 .

It is a cyclic number.

It is not a de Polignac number, because 55061010511061 - 2² = 55061010511057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55061010511261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75589406 + ... + 76314351.

It is an arithmetic number, because the mean of its divisors is an integer number (13765290694323).

Almost surely, 2^{55061010511061} is an apocalyptic number.

It is an amenable number.

55061010511061 is a deficient number, since it is larger than the sum of its proper divisors (152266231).

55061010511061 is a wasteful number, since it uses less digits than its factorization.

55061010511061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152266230.

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 55061010511061 in words is "fifty-five trillion, sixty-one billion, ten million, five hundred eleven thousand, sixty-one".